anonymous
  • anonymous
8^2 x 8^-5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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UnkleRhaukus
  • UnkleRhaukus
\[x^n\times x^m=x^{n+m}\]
anonymous
  • anonymous
how would I get that into correct simplication? I don't understand
UnkleRhaukus
  • UnkleRhaukus
well x=8 n=2 m=-5

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anonymous
  • anonymous
Oh okay. I understand! Thank you!
UnkleRhaukus
  • UnkleRhaukus
what do you get as a final answer?
anonymous
  • anonymous
64^7?
anonymous
  • anonymous
is that correct?
UnkleRhaukus
  • UnkleRhaukus
nope
anonymous
  • anonymous
ok
UnkleRhaukus
  • UnkleRhaukus
when there is a multiplication of terms with the same base, you have to add the indicies 8^2 x 8^-5 = 8^{2-5} =
anonymous
  • anonymous
8^3?
UnkleRhaukus
  • UnkleRhaukus
almost
anonymous
  • anonymous
8^7?
UnkleRhaukus
  • UnkleRhaukus
what is 2 - 5 ?
anonymous
  • anonymous
-3
UnkleRhaukus
  • UnkleRhaukus
yeah
anonymous
  • anonymous
okay
UnkleRhaukus
  • UnkleRhaukus
so 8^{2-5} =
anonymous
  • anonymous
8^-3?
UnkleRhaukus
  • UnkleRhaukus
yes,
UnkleRhaukus
  • UnkleRhaukus
when you have some term with a negative index, say \(A^{-p}\) its the same as \(\dfrac1{A^p}\)

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